1. Abb Ltd
2. Eaton Corporation Plc
3. G&W Electric Company
4. General Electric Company
5. Hitachi Ltd
6. Honeywell International Inc
7. Hubbell Power Systems
8. Itron Inc
9. Mitsubishi Electric Corporation
10. Oracle Corporation
11. S&C Electric Company
12. Schneider Electric Se
13. Schweitzer Engineering Laboratories Inc
14. Siemens Ag